Without an acquaintance with the rules of propriety, it is impossible for the character to be established.

With coarse rice to eat, with water to drink, and my bended arm for a pillow - I have still joy in the midst of these things. Riches and honors acquired by unr…

While you are not able to serve men, how can you serve spirits... While you do not know life, how can you know about death?

When you know a thing, to hold that you know it; and when you do not know a thing, to allow that you do not know it - this is knowledge.